Fix nxos_system tests (#36201)

* Fix nxos_system tests

* Add debug connection plugin info

* Move sanity test under common

test/integration/targets/nxos_system/tests/common/sanity.yaml

@@ -0,0 +1,36 @@
+---
+- debug: msg="START connection={{ ansible_connection }}/sanity.yaml"
+- debug: msg="Using provider={{ connection.transport }}"
+  when: ansible_connection == "local"
+
+- block:
+  - name: configure hostname and domain-name
+    nxos_system: &hostname
+      hostname: "{{ inventory_hostname_short }}"
+      domain_name: test.example.com
+      provider: "{{ connection }}"
+
+  - name: remove configuration
+    nxos_system:
+      state: absent
+      provider: "{{ connection }}"
+
+  - name: configure name servers
+    nxos_system:
+      name_servers:
+        - 8.8.8.8
+        - 8.8.4.4
+      provider: "{{ connection }}"
+
+  - name: configure name servers with VRF support
+    nxos_system:
+      name_servers:
+        - { server: 8.8.8.8, vrf: management }
+        - { server: 8.8.4.4, vrf: management }
+      provider: "{{ connection }}"
+
+  always:
+  - name: Re-configure hostname
+    nxos_system: *hostname
+
+  - debug: msg="END connection={{ ansible_connection }}/sanity.yaml" 

test/integration/targets/nxos_system/tests/common/set_hostname.yaml

@@ -3,36 +3,39 @@
 - debug: msg="Using provider={{ connection.transport }}"
   when: ansible_connection == "local"
 
-- name: setup
+- block:
+  - name: setup
     nxos_config:
-    lines: hostname switch
+      lines: "hostname {{ inventory_hostname }}"
       match: none
       provider: "{{ connection }}"
 
-- name: configure hostname
+  - name: configure hostname
     nxos_system:
       hostname: foo
       provider: "{{ connection }}"
     register: result
 
-- assert:
+  - assert:
       that:
         - "result.changed == true"
 
-- name: verify hostname
+  - name: verify hostname
     nxos_system:
       hostname: foo
       provider: "{{ connection }}"
     register: result
 
-- assert:
+  - assert:
       that:
         - "result.changed == false"
 
-- name: teardown
+  always:
+  - name: teardown
     nxos_config:
-    lines: hostname switch
+      lines: "hostname {{ inventory_hostname }}"
       match: none
       provider: "{{ connection }}"
 
-- debug: msg="END connection={{ ansible_connection }}/set_hostname.yaml"
+
+  - debug: msg="END connection={{ ansible_connection }}/set_hostname.yaml"

test/integration/targets/nxos_system/tests/nxapi/net_system.yaml

@@ -12,6 +12,7 @@
       - no ip domain-list redhat.com
     match: none
     provider: "{{ nxapi }}"
+  ignore_errors: yes
 
 - name: configure domain_list using platform agnostic module
   net_system: